#include <stdio.h>

const int m_b = 2;
void test()
{
	int *p;
	//int *p = (int *)&m_b;
	*p = 200;
	printf("m_b=%d *p=%d\n",m_b,*p);
}

int main(void)
{
	
	test();
	return 0;
}

